Home / 945,433.89-1,304,707.10-515,715.93

Finding the Fourth Proportional to 945,433.89, 1,304,707.10 and 515,715.93

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Solution

The fourth proportional to 945,433.89, 1,304,707.10 and 515,715.93 is: 711,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,433.89 : 1,304,707.10 = 515,715.93 : x
  2. Step 2: Convert to fraction form
    945,433.89/1,304,707.10 = 515,715.93/x
  3. Step 3: Cross multiply
    945,433.89x = 1,304,707.10 × 515,715.93
  4. Step 4: Simplify right side
    945,433.89x = 672,858,232,875.52
  5. Step 5: Solve for x
    x = 672,858,232,875.52/945,433.89
  6. Step 6: Final answer
    x = 711,692.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.